Ventilation cover



FIG. 1 is a top, front and right side perspective view of a ventilation cover showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines are shown in FIG. 1 for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a ventilation cover, as shown and described. 